Lennox 18Y93 Relay Kit Els PW 17895 Common Questions & Technical Support:

Common Questions & Technical Support: When should I choose the SPP8E over a standard 3-wire kit

This specific model is calibrated for 240Vac 60Hz electrical supplies

Why is my burner showing signs of "rusting out" or heavy oxidation

To maintain the NEMA 1 rating

preventing common combustion issues such as delayed ignition or soot buildup

Lennox 18Y93 Relay Kit Els PW 17895 Common Questions & Technical Support:The Lennox 18Y93 Delay Relay Kit is a critical OEM component designed to regulate blower motor timing and facilitate efficient sequence operations in commercial HVAC equipment. As a primary delay relay kit, the 18Y93 provides a fixed 45 second blower on delay and a 150 second blower off delay, ensuring the heat exchanger is adequately warmed before airflow begins and residual heat is fully utilized post cycle. This HVAC time delay relay is the factory